BR0207370B1 - processo de produção de ferro fundido lìquido num forno elétrico. - Google Patents
processo de produção de ferro fundido lìquido num forno elétrico.Info
- Publication number
- BR0207370B1 BR0207370B1 BRPI0207370-6A BR0207370A BR0207370B1 BR 0207370 B1 BR0207370 B1 BR 0207370B1 BR 0207370 A BR0207370 A BR 0207370A BR 0207370 B1 BR0207370 B1 BR 0207370B1
- Authority
- BR
- Brazil
- Prior art keywords
- cast iron
- electric furnace
- producing liquid
- liquid cast
- producing
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B11/00—Making pig-iron other than in blast furnaces
- C21B11/10—Making pig-iron other than in blast furnaces in electric furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
- C21B13/0026—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide in the flame of a burner or a hot gas stream
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Manufacture Of Iron (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
LU90735A LU90735B1 (fr) | 2001-02-23 | 2001-02-23 | Proc-d- de production de fonte liquide |
LU90788A LU90788B1 (fr) | 2001-06-13 | 2001-06-13 | Procédé de production de fonte liquide dans un four électrique |
PCT/EP2002/001749 WO2002068700A1 (fr) | 2001-02-23 | 2002-02-20 | Procede de production de fonte liquide dans un four electrique |
Publications (2)
Publication Number | Publication Date |
---|---|
BR0207370A BR0207370A (pt) | 2004-06-22 |
BR0207370B1 true BR0207370B1 (pt) | 2010-08-10 |
Family
ID=26640378
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0207370-6A BR0207370B1 (pt) | 2001-02-23 | 2002-02-20 | processo de produção de ferro fundido lìquido num forno elétrico. |
Country Status (10)
Country | Link |
---|---|
US (1) | US7169205B2 (fr) |
EP (1) | EP1383933B1 (fr) |
JP (1) | JP4212895B2 (fr) |
AU (1) | AU2002250975B2 (fr) |
BR (1) | BR0207370B1 (fr) |
CA (1) | CA2437254C (fr) |
DE (2) | DE02719871T1 (fr) |
ES (1) | ES2215498T3 (fr) |
RU (1) | RU2268308C2 (fr) |
WO (1) | WO2002068700A1 (fr) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6875251B2 (en) * | 2002-05-15 | 2005-04-05 | Hatch Ltd. | Continuous steelmaking process |
EP1983066A1 (fr) * | 2007-03-30 | 2008-10-22 | Paul Wurth S.A. | Procédé de récupération du molybdène, du nickel, du cobalt ou de leurs mélanges à partir de catalyseurs usés ou régénérés |
EP1997919A1 (fr) * | 2007-05-24 | 2008-12-03 | Paul Wurth S.A. | Procédé de valorisation de résidus riches en zinc et en sulfates |
JP5166805B2 (ja) * | 2007-09-19 | 2013-03-21 | 株式会社神戸製鋼所 | アーク加熱による溶鉄製造方法 |
JP5166804B2 (ja) * | 2007-09-19 | 2013-03-21 | 株式会社神戸製鋼所 | 溶鉄製造方法 |
US8532158B2 (en) * | 2007-11-17 | 2013-09-10 | Inductotherm Corp. | Melting and mixing of materials in a crucible by electric induction heel process |
EP3099824A1 (fr) * | 2014-01-31 | 2016-12-07 | Saudi Basic Industries Corporation | Procédés permettant de produire des aciers améliorés par injection de sous-produits contenant du fer d'un procédé de production de minerai de fer dans de l'acier liquide |
ITUA20163986A1 (it) * | 2016-05-31 | 2017-12-01 | Tenova Spa | Metodo ed apparato per la produzione di ghisa, ghisa prodotta secondo detto metodo |
BR112020006455B1 (pt) | 2017-10-23 | 2023-12-05 | Nippon Steel Corporation | Forno elétrico e método para fusão e redução de matériaprima de ferro contendo óxido de ferro |
RU2734215C1 (ru) * | 2020-04-16 | 2020-10-13 | Автономная некоммерческая организация «Научно-исследовательский институт проблем экологии» | Способ выплавки чугуна в доменной печи |
JPWO2023204069A1 (fr) * | 2022-04-22 | 2023-10-26 | ||
WO2023204063A1 (fr) * | 2022-04-22 | 2023-10-26 | Jfeスチール株式会社 | Procédé de fusion de fer à réduction directe, fer solide et procédé de fabrication de fer solide, matériau pour génie civil et construction, procédé de production de matériau pour génie civil et construction, et système de fusion de fer à réduction directe |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1285711A (fr) * | 1961-04-05 | 1962-02-23 | Elektrokemisk As | Procédé de fabrication de fonte dans un four électrique |
SE371651C (sv) * | 1973-03-30 | 1976-12-06 | Asea Ab | Sett och anordning for smeltreduktion |
GB8516143D0 (en) * | 1985-06-26 | 1985-07-31 | British Steel Corp | Melting of metals |
AT400245B (de) * | 1993-12-10 | 1995-11-27 | Voest Alpine Ind Anlagen | Verfahren und anlage zum herstellen einer eisenschmelze |
US5912916A (en) * | 1995-05-01 | 1999-06-15 | Alabama Power Company | Electric furnace with insulated electrodes and process for producing molten metals |
AT405054B (de) * | 1997-06-18 | 1999-05-25 | Voest Alpine Ind Anlagen | Verfahren und anlage zum herstellen einer eisenschmelze unter einsatz von eisenhältigen hüttenwerksreststoffen |
DE19744151C5 (de) * | 1997-10-07 | 2004-08-26 | Outokumpu Oyj | Verfahren zum Schmelzen von feinkörnigem, direkt reduziertem Eisen in einem Elektrolichtbogenofen |
LU90406B1 (fr) | 1999-06-21 | 2000-12-22 | Wurth Paul Sa | Proc-d- de production de fonte liquide |
AUPQ205799A0 (en) * | 1999-08-05 | 1999-08-26 | Technological Resources Pty Limited | A direct smelting process |
-
2002
- 2002-02-20 AU AU2002250975A patent/AU2002250975B2/en not_active Ceased
- 2002-02-20 DE DE0001383933T patent/DE02719871T1/de active Pending
- 2002-02-20 EP EP02719871A patent/EP1383933B1/fr not_active Expired - Lifetime
- 2002-02-20 WO PCT/EP2002/001749 patent/WO2002068700A1/fr active IP Right Grant
- 2002-02-20 ES ES02719871T patent/ES2215498T3/es not_active Expired - Lifetime
- 2002-02-20 JP JP2002568794A patent/JP4212895B2/ja not_active Expired - Fee Related
- 2002-02-20 BR BRPI0207370-6A patent/BR0207370B1/pt not_active IP Right Cessation
- 2002-02-20 RU RU2003127390/02A patent/RU2268308C2/ru not_active IP Right Cessation
- 2002-02-20 CA CA002437254A patent/CA2437254C/fr not_active Expired - Fee Related
- 2002-02-20 DE DE60204221T patent/DE60204221T2/de not_active Expired - Lifetime
- 2002-02-20 US US10/468,630 patent/US7169205B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
RU2268308C2 (ru) | 2006-01-20 |
US20040060389A1 (en) | 2004-04-01 |
DE02719871T1 (de) | 2004-07-15 |
BR0207370A (pt) | 2004-06-22 |
CA2437254C (fr) | 2009-06-30 |
ES2215498T3 (es) | 2005-10-16 |
DE60204221D1 (de) | 2005-06-23 |
RU2003127390A (ru) | 2005-03-27 |
ES2215498T1 (es) | 2004-10-16 |
JP4212895B2 (ja) | 2009-01-21 |
JP2004521188A (ja) | 2004-07-15 |
EP1383933B1 (fr) | 2005-05-18 |
EP1383933A1 (fr) | 2004-01-28 |
AU2002250975B2 (en) | 2006-11-23 |
CA2437254A1 (fr) | 2002-09-06 |
US7169205B2 (en) | 2007-01-30 |
WO2002068700A1 (fr) | 2002-09-06 |
DE60204221T2 (de) | 2006-02-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BR0207370B1 (pt) | processo de produção de ferro fundido lìquido num forno elétrico. | |
GB0120016D0 (en) | Message brokering | |
GB0111629D0 (en) | Cooling of electrical machines | |
AU2001293232A1 (en) | Methods employing fluorescence quenching by metal surfaces | |
DE60217317D1 (de) | Wärmebehandlungsverfahren | |
NO20031659D0 (no) | Magnesiumlegering | |
EP1404887A4 (fr) | Fonte a graphite spheroidal resistant aux temperatures elevees et a l'oxydation a chaud | |
EP1447880A4 (fr) | Radiateur de type a fentes a guide d'ondes ayant une construction facilitant sa production | |
DE60235767D1 (de) | Sublimationsmuster-giessverfahren | |
GB0119795D0 (en) | Novel process | |
DE60224290D1 (de) | Herstellung von metallrohren | |
ATE278691T1 (de) | Verbesserter prozess zur herstellung von carbapenemen | |
BRPI0418185B1 (pt) | processo de ataque de minÉrio de fosfato | |
ATE297878T1 (de) | Flüssigkeitskühlung von glasformen | |
DE50204513D1 (de) | Beschichtungsverfahren | |
EP1453069A4 (fr) | Aimant permanent a base de terres rares comportant un revetement anticorrosion, procede de production de ce dernier et liquide de traitement permettant de former un revetement anticorrosion | |
PT1127876E (pt) | Processo de preparacao de isoindolina | |
IT1315147B1 (it) | Forno per la riduzione diretta di ossidi di ferro | |
MXPA03007452A (es) | Procesos para la produccion mejorada de pantotenato. | |
FI20012552A (fi) | Metallikarbonaatin valmistusmenetelmä | |
DE60224968D1 (de) | Prozess für die Herstellung von 5-Arylpentanolen | |
ES1050706Y (es) | Convector electrico mejorado | |
DE60219714D1 (de) | Elektrobeschichtungsverfahren | |
ITUD990159A0 (it) | Forno per la riduzione diretta di ossidi di ferro | |
BR0105988B1 (pt) | ferro fundido vermicular de alta usinabilidade e isento de microporosidades. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 20/02/2002, OBSERVADAS AS CONDICOES LEGAIS. |
|
B21F | Lapse acc. art. 78, item iv - on non-payment of the annual fees in time |
Free format text: REFERENTE A 18A ANUIDADE. |
|
B24J | Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12) |
Free format text: REFERENTE AO DESPACHO 21.6 PUBLICADO NA RPI 2554 DE 2019-12-17 |